//
//  NSObject+hr_calculate.h
//  Masonry-Exploration
//
//  Created by John on 2018/5/3.
//  Copyright © 2018年 HR Inc. All rights reserved.
//

#import <Foundation/Foundation.h>

@class Calculator;

@interface NSObject (hr_calculate)

+(int)hr_calculate:(void(^)(Calculator*))block;

@end
